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Piper is a websocket based push cache. A JSON cache is maintained that can be updated via a REST HTTP API, a websocket connection, or with NATS messages. This cache is pushed through websockets to browsers using a filter based subscription protocol that uses the same record identifiers used in the REST API. Piper is also a simple HTTP web server.


-h <topic>
--help <topic>
This help page with no topic argument. With a topic, that page is displayed. Help topics are:
--version Display the current version.
Path to the JSON configuration file to use.
Path to write the JSON configuration file to. Piper continues after writing.
-<path> <value>
Sets configuration parameter identified by the path to the value supplied.